Cheapest return flights from San Jose to London in December from $719

Best time to book flights for San Jose (SJO) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from San Jose (SJO) to London (LHR) in December 2025 (see full year).

Return flights

04 Dec - 16 Dec KLM
04 Dec - 14 Dec KLM
06 Dec - 16 Dec KLM
10 Dec - 15 Dec Air France
05 Dec - 14 Dec KLM
11 Dec - 16 Dec KLM
30 Dec - 10 Jan KLM
04 Dec - 13 Dec KLM
27 Dec - 08 Jan Air France
27 Dec - 24 Jan Air France
12 Dec - 20 Jan KLM
23 Dec - 03 Jan Air Canada
21 Dec - 02 Jan Air France
17 Dec - 03 Jan Air France
22 Dec - 02 Jan Air Canada
18 Dec - 03 Jan Air France
04 Dec - 18 Dec KLM
20 Dec - 01 Jan Air France
10 Dec - 19 Dec Iberia
14 Dec - 27 Dec KLM

Also check the deals for one-way flights from San Jose to London in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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